| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Date: Fri, 15 Feb 2013 16:52:22 +0100 From: Andreas Larsson <andreas@...sler.com> To: Grant Likely <grant.likely@...retlab.ca> Cc: Mark Brown <broonie@...nsource.wolfsonmicro.com>, spi-devel-general@...ts.sourceforge.net, Mingkai Hu <Mingkai.hu@...escale.com>, Anton Vorontsov <anton.vorontsov@...aro.org>, Joakim Tjernlund <Joakim.Tjernlund@...nsmode.se>, Kumar Gala <galak@...nel.crashing.org>, Peter Korsgaard <jacmet@...site.dk>, linux-kernel@...r.kernel.org, software@...sler.com Subject: [PATCH v3 2/7] spi: spi-fsl-spi: Make sure in spi_fsl_setup that chipselect becomes inactive This is needed for a device in SPI_CS_HIGH mode that otherwise could start out active for the first transaction. Acked-by: Anton Vorontsov <anton@...msg.org> Signed-off-by: Andreas Larsson <andreas@...sler.com> --- drivers/spi/spi-fsl-spi.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-) diff --git a/drivers/spi/spi-fsl-spi.c b/drivers/spi/spi-fsl-spi.c index cf1cffb..527ac35 100644 --- a/drivers/spi/spi-fsl-spi.c +++ b/drivers/spi/spi-fsl-spi.c @@ -387,6 +387,10 @@ static int fsl_spi_setup(struct spi_device *spi) cs->hw_mode = hw_mode; /* Restore settings */ return retval; } + + /* Initialize chipselect - might be active for SPI_CS_HIGH mode */ + fsl_spi_chipselect(spi, BITBANG_CS_INACTIVE); + return 0; } -- 1.7.0.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists